Introduction to SQL Indexes can usually be created for both primary and secondary keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The command to eliminate a table from a database is: DELETE TABLE CUSTOMER; REMOVE TABLE CUSTOMER; DROP TABLE CUSTOMER; UPDATE TABLE CUSTOMER; DELETE TABLE CUSTOMER; REMOVE TABLE CUSTOMER; DROP TABLE CUSTOMER; UPDATE TABLE CUSTOMER; ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL DISTINCT and its counterpart, ALL, can be used more than once in a SELECT statement. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL Which command undo all the updates performed by the SQL in the transaction? ROLLBACK TRUNCATE DELETE COMMIT ROLLBACK TRUNCATE DELETE COMMIT ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL The FROM SQL clause is used to... specify search condition specify what table we are selecting or deleting data FROM None of these specify range for search condition specify search condition specify what table we are selecting or deleting data FROM None of these specify range for search condition ANSWER DOWNLOAD EXAMIANS APP
Introduction to SQL There is an equivalent join expression that can be substituted for all subquery expressions. False True False True ANSWER DOWNLOAD EXAMIANS APP
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